<template>
  <view class="login-container">
    <uni-icons type="contact-filled" size="100" color="#afafaf"></uni-icons>
    <button type="primary" class="btn-login" @click="getUserProfile">一键登录</button>
    <text class="tips-text">登录后尽享更多权益</text>
  </view>
</template>

<script>
  import { mapMutations ,mapState} from "vuex"
  
  export default {
    name:"my-login",
    data() {
      return {
        
      };
    },
    computed:{
      ...mapState('m_user',['redirectInfo']),
    },
    methods:{
      ...mapMutations('m_user',['updateUserInfo','updateToken','updateRedirectInfo']),
      // 获取用户的基本信息
      getUserProfile(){
        uni.getUserProfile({
          desc:'您的授权信息',
          success:(res) => {
            // console.log(res.userInfo)
            this.updateUserInfo(res.userInfo)
            this.getToken(res)
          },
          fail:(res) =>{
            return uni.$showMsg('您取消了登录授权')
          }
        })
      },
      async getToken(info){
        // 获取code 对应的值
        const [err,res] = await uni.login().catch(err=>err)
        if(err || res.errMsg !== 'login:ok') return uni.$showMsg('登录失败！')
        // 准备参数
        const query={
          code:res.code,
          encryptedData:info.encryptedData,
          iv:info.iv,
          rawData:info.rawData,
          signature:info.signature,
        }
        const{data:loginResult} = await uni.$http.post('/api/public/v1/users/wxlogin',query)
        // 由于没有后台权限 所以改写
        // if(loginResult.meta.status !==200) return uni.$showMsg('登录失败！')
        // 将 res.code 给 token               ,再跳转到购物车页面
        if(loginResult.meta.status!==200) return this.updateToken('Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1aWQiOjIzLCJpYXQiOjE1NjQ3MzAwNzksImV4cCI6MTAwMTU2NDczMDA3OH0.YPt-XeLnjV-_1ITaXGY2FhxmCe4NvXuRnRB8OMCfnPo'),this.navigateBack()
        // uni.$showMsg('登录成功！')
        // 直接把 token 保存到vuex中
        this.updateToken(loginResult.messgae.token)
        
        
        没有生效
        
      },
      navigateBack(){
        if(this.redirectInfo && this.redirectInfo.openType === 'switchTab'){
          uni.switchTab({
            url:this.redirectInfo.from,
            complete: () => {
              this.updateRedirectInfo(null)
            }
          })
        }
      }
    }
  }
</script>

<style lang="scss">
  body{
    background-color: #ffff;
  }
.login-container{
  height: 750rpx;
  background-color: #f8f8f8;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative;
  &::after{
    content: '';
    display: block;
    width: 100%;
    height: 60px;
    background-color: white;
    position: absolute;
    bottom: 0px;
    left: 0px;
    border-radius: 100%;
    transform: translateY(50%);
  }
  .btn-login{
    width: 90%;
    border-radius: 100px;
    margin: 15px 0;
    background-color: #c00000;
  }
  .tips-text{
    font-size: 12px;
    color: gray;
  }
}
</style>